Cruciform key blank



FIG. 1 is a front elevational view of a key blank showing my new design, the rear being substantially a mirror image thereof except for the omission of the horizontal groove in the shaft;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof, the bottom being a mirror image of the top shown herein;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view of a key blank showing a second embodiment of my new design, the rear being substantially a mirror image thereof except for the omission of the horizontal groove in the shaft;

FIG. 6 is a right side elevational view of FIG. 5;

FIG. 7 is a top plan view of FIG. 5, the bottom being a mirror image of the top shown herein;

FIG. 8 is a left side elevational view of FIG. 5;

FIG. 9 is a front elevational view of a key blank showing a third embodiment of my new design, the rear being substantially a mirror image thereof except for the omission of the horizontal groove in the shaft;

FIG. 10 is a right side elevational view of FIG. 9;

FIG. 11 is a top plan view of FIG. 9, the bottom being a mirror image of the top shown herein;

FIG. 12 is a left side elevational view of FIG. 9. 

The ornamental design for a key blank, substantially as shown and described. 